Winter Cleaning in Mississauga

Updated September 2026 By Daniel Parsons 6 min read

The short version: Winter brings four problems: salt and sand on the floors, meltwater at the door, dry dusty air, and rooms that never get aired out. Double up on mats, vacuum the entry a few times a week, damp-mop salt film before it sets, and run your exhaust fans more than you think you need to.

Salt and grit

Dry road salt acts like sandpaper on hardwood and vinyl. Wet salt dries into a white film that dulls the finish and marks the baseboards. Put a mat outside every door you use, and a second absorbent mat just inside. Shake or vacuum them a few times a week. Vacuum the entry and hallway before you mop, so you're not dragging grit around. Then damp-mop with a neutral cleaner. Here are the full steps for removing salt stains.

Slush and meltwater at the door

Snowy boots leave puddles that seep into floor seams and turn into a slip hazard. A rubber boot tray right inside the door keeps meltwater in one place. Wipe up puddles when you see them. In a condo, the hallway and elevator add even more, so the mat inside your door does a lot of work.

Dry air and dust

With the furnace running for months, indoor air gets dry. Dust stays in the air longer, and you'll notice more static and more dust on dark surfaces. Vacuum with good filtration and dust with a damp microfiber cloth. If your skin and throat feel dry, a humidifier helps, but keep indoor humidity around 30–40% on cold days. Higher than that and you'll get condensation on the windows.

Stale air and moisture

With windows shut for months, steam from showers and cooking has nowhere to go. Run the bathroom fan during every shower and for 20–30 minutes after, and use the range hood whenever you cook. Check window sills and the corners of bathroom ceilings each month for condensation or grey spots, and wipe them before they turn into mould.

A simple winter routine

  • A few times a week: shake the mats, empty the boot tray, and vacuum the entry and main hallway.
  • Weekly: damp-mop the hard floors, and wipe salt marks off the baseboards by the door.
  • Monthly: check and wipe the window sills, check the bathroom ceiling, and change or check the furnace filter.
  • End of season (April): do a full deep clean to get rid of the last of the salt.

Common questions

How do I stop salt from ruining my hardwood floors?

Stop it at the door with two mats, one outside and one inside, and a boot tray. Vacuum grit from the entry a few times a week, and damp-mop white residue with a neutral cleaner the same week it appears.

Why do my windows get wet inside in winter?

Warm, moist indoor air hits cold glass and condenses. Run bathroom and kitchen fans, and lower your indoor humidity a little on very cold days. Wipe the sills so moisture doesn't lead to mould.